Battery management device with automatic fire extinguishing function

Abstract

The utility model relates to the technical field of battery fireproof protection, and discloses a battery management device with an automatic fire extinguishing function, which comprises a battery main body and a battery protection shell, the battery main body is fixedly arranged on the inner side of the battery protection shell, and ventilation and heat dissipation structures are arranged on both sides of the battery protection shell. According to the fire extinguishing device, the ventilation and heat dissipation structures are arranged on the two sides of the battery protection shell for circulating ventilation, when a fire disaster happens, the electrified electromagnet can stop running and move downwards under the gravity and the magnetic attraction effect of the fire extinguishing magnetic attraction plate, the soft material blocking plate is driven to be separated from the fire extinguishing bag containing box, and fire extinguishing dry powder in the fire extinguishing bag containing box extinguishes the fire. And meanwhile, a soft material blocking plate is pulled to seal and shield the ventilation and heat dissipation structure, so that the battery protection shell forms a closed space, the automatic fire extinguishing effect is good, and the device has the fire monitoring and automatic fire extinguishing capacity and is high in fireproof safety and excellent in self-heat dissipation capacity.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery fireproof protection technical field, concretely is a battery management device with automatic fire extinguishing function. BACKGROUND

[0002] With the rapid development of science and technology, as an important energy storage device, batteries are widely used in various fields. From portable electronic devices in daily life to electric vehicles, energy storage power stations and other large application scenarios, the use of batteries is ubiquitous. In the aspect of energy storage power stations, it can effectively store excess power, balance power supply and demand, and improve the stability of the power system, and is also more and more widely used. While bringing convenience to people, batteries also have serious safety hazards. Battery thermal runaway is one of the main reasons for battery fire and explosion, and needs to be protected from fire.

[0003] When short circuit, overcharge, overheating and other conditions occur inside the battery, the chemical reaction inside the battery will intensify, generating a large amount of heat, which will cause thermal runaway if the heat cannot be dissipated in time, and then cause a fire or even an explosion; not only endanger the lives of people in the car, but also pose a serious threat to the surrounding environment and other vehicles. However, in the face of such an emergency and dangerous situation of battery fire, these traditional battery management devices often lack effective measures to deal with it; unable to automatically extinguish the fire at the first time of fire, when the fire occurs, only relying on external fire fighting equipment to extinguish the fire, which cannot fundamentally guarantee the safety of the battery system, therefore we propose a battery management device with automatic fire extinguishing function to solve the above problems. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a battery management device with automatic fire extinguishing function, which has fire monitoring and automatic fire extinguishing capability, high fire safety, excellent self-heat dissipation capability and other advantages.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a battery management device with automatic fire extinguishing function, comprising a battery main body and a battery protection shell, the battery main body is fixedly installed on the inner side of the battery protection shell;

[0008] Ventilation and heat dissipation structures are formed on both sides of the battery protection shell, two fire extinguishing bag placing boxes are correspondingly arranged on the inner top of the battery protection shell, movable openings are arranged on the top of both sides of the battery protection shell, soft material baffle plates are slidably connected to the bottom of the two fire extinguishing bag placing boxes, and the side opposite to the soft material baffle plates extends out of the movable opening.

[0009] Two sides of the soft material blocking plate opposite to each other are provided with an energized electromagnet, two sides of the bottom of the battery protection shell are provided with a fire extinguishing magnetic plate, and the energized electromagnet is magnetically attracted to the two sides of the battery protection shell.

[0010] Preferably, the battery protection shell is a metal shell, and the inside of each of the two fire extinguishing bag placing boxes is placed with a fire extinguishing dry powder bag.

[0011] Preferably, the inside of the battery protection shell is provided with a smoke temperature detector, the outside of the battery protection shell is provided with an alarm, and the output ends of the smoke temperature detector are electrically connected with the input ends of the alarm and the energized electromagnet.

[0012] Preferably, the ventilation and heat dissipation structure comprises a ventilation pipe and a ventilation fan, the ventilation pipe is fixedly installed on the two sides of the battery protection shell, the two ventilation pipes are communicated with the inside of the battery protection shell, and the ventilation fan is installed on the inside of the ventilation pipe.

[0013] Preferably, the side of each of the two ventilation pipes opposite to each other is sleeved with a dust filter screen, and the dust filter screen is a cylindrical metal screen.

[0014] Preferably, the two fire extinguishing magnetic plates are respectively arranged directly below the two energized electromagnets, and the soft material blocking plate is an elastic metal sheet.

[0015] Preferably, the soft material blocking plate is slidably attached to the inside of the movable port, and the side of the soft material blocking plate away from the energized electromagnet is provided with an anti-falling block.

[0016] Preferably, the bottom of the battery protection shell is provided with a support block, and the top of the fire extinguishing magnetic plate is provided with a strong magnetic magnet block.

[0017] Preferably, the bottom of each of the two soft material blocking plates is provided with a soft fireproof sheet, and the soft material blocking plate is arranged directly above the ventilation and heat dissipation structure.

[0018] Preferably, the bottom of the support block is threadedly connected with an adjusting screw, and the bottom of the adjusting screw is provided with an anti-skid support sheet.

[0019] (Three) beneficial effects

[0020] Compared with the prior art, the battery management device with the automatic fire extinguishing function has the following beneficial effects:

[0021] 1. The battery management device with automatic fire extinguishing function, by installing the battery body inside the battery protection shell, the battery body is protected, both sides of the battery protection shell are provided with ventilation and heat dissipation structure, and the ventilation and heat dissipation structure comprises a ventilation pipe and a ventilation fan, the ventilation pipe is communicated with the outside, the outside cold air is sucked by the ventilation fan, then the hot air in the shell is discharged, the effect of cold air circulation and heat dissipation is achieved, the dust filter screen is sleeved on the outside of the ventilation pipe, the dustproof ventilation effect is achieved, the dustproof and foreign matter prevention ability is good, the self-heat dissipation ability of the device is excellent, and the protection ability is good.

[0022] 2. The battery management device with automatic fire extinguishing function, the fire extinguishing powder bag is placed in the fire extinguishing bag placing box arranged on both sides of the top of the battery protection shell, the soft material blocking plate is magnetically attracted to the outside of the shell by the power electromagnetic iron, when the fire occurs, the power electromagnetic iron can stop running and is displaced downward by gravity, drives the soft material blocking plate to separate from the fire extinguishing bag placing box, the fire extinguishing dry powder in the fire extinguishing bag placing box extinguishes the fire, meanwhile, the power electromagnetic iron is magnetically positioned by the fire extinguishing magnetic plate, the soft material blocking plate is pulled to close and shield the ventilation and heat dissipation structure, so that the battery protection shell forms a closed space, the automatic fire extinguishing effect is good, the fire monitoring and automatic fire extinguishing ability of the device is high, and the fire safety is high. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a front view sectional solid schematic diagram of the structure of the utility model;

[0025] Figure 3 It is a top view solid schematic diagram of the structure of the utility model;

[0026] Figure 4 It is a top view solid schematic diagram of the structure of the utility model fire extinguishing bag placing box and soft material blocking plate connecting structure.

[0027] In the drawing: 1, battery body; 2, battery protection shell; 3, ventilation and heat dissipation structure; 31, ventilation pipe; 32, ventilation fan; 33, dust filter screen; 4, fire extinguishing bag placing box; 5, movable port; 6, soft material blocking plate; 7, power electromagnetic iron; 8, fire extinguishing magnetic plate; 9, smoke temperature detector; 10, alarm; 11, supporting block; 12, soft fireproof sheet; 13, adjusting screw. DETAILED DESCRIPTION

[0028] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0029] Please refer to Figures 1-4 A battery management device with automatic fire extinguishing function, comprising a battery main body 1 and a battery protection shell 2, the battery main body 1 is fixedly installed on the inner side of the battery protection shell 2;

[0030] Both sides of the battery protection shell 2 are provided with ventilation and heat dissipation structures 3, and the inner top of the battery protection shell 2 is provided with two fire extinguishing bag placing boxes 4, the top of both sides of the battery protection shell 2 is provided with a movable opening 5, and the bottom of the two fire extinguishing bag placing boxes 4 is slidably connected with a soft material blocking plate 6, and the side opposite to the soft material blocking plate 6 extends out of the movable opening 5;

[0031] Among them, the side opposite to the soft material blocking plate 6 is provided with a power-on electromagnet 7, and the bottom of the battery protection shell 2 is provided with a fire extinguishing magnetic plate 8 corresponding to both sides, and the power-on electromagnet 7 is magnetically attracted to both sides of the battery protection shell 2;

[0032] The beneficial effects expressed in the scheme are: the battery protection shell 2 is set to protect the battery main body 1, the ventilation and heat dissipation structures 3 are arranged on both sides of the battery protection shell 2, the ventilation pipe 31 can be connected with the outside, the ventilation fan 32 is matched, the dust filter screen 33 plays the role of dustproof ventilation and foreign matter prevention, the fire extinguishing bag placing boxes 4 are arranged on both sides of the inner top of the battery protection shell 2, the fire extinguishing dry powder bags can be placed, the soft material blocking plate 6 is magnetically attracted to the outside of the shell by the power-on electromagnet 7, when the fire occurs, the power-on electromagnet 7 can stop running and displace downward by gravity, drive the soft material blocking plate 6 to separate from the fire extinguishing bag placing box 4, the fire extinguishing dry powder in the fire extinguishing bag placing box 4 extinguishes the fire, at the same time, the power-on electromagnet 7 is magnetically attracted and positioned by the fire extinguishing magnetic plate 8, pulls the soft material blocking plate 6 to close and shield the ventilation and heat dissipation structure 3, so that the battery protection shell 2 forms a closed space, and the automatic fire extinguishing effect is good, the device has the fire monitoring and automatic fire extinguishing ability, the fire safety is high, and the self-heat dissipation ability is excellent.

[0033] Further, the battery protection shell 2 is a metal shell, and the fire extinguishing dry powder bags are arranged in the two fire extinguishing bag placing boxes 4;

[0034] The battery protection shell 2 is set to be a metal shell, which plays the roles of heat dissipation and bearing protection, and the setting of the fire extinguishing dry powder bags can extinguish the fire by the fire extinguishing dry powder bags when the fire occurs, and the fireproof effect is good.

[0035] Further, the inside of the battery protection shell 2 is provided with a smoke temperature detector 9, and the outside of the battery protection shell 2 is provided with an alarm 10, and the output end of the smoke temperature detector 9 is electrically connected with the input end of the alarm 10 and the energized electromagnet 7 respectively;

[0036] By arranging the smoke temperature detector 9, when a fire occurs, the smoke temperature detector 9 can detect, and the alarm 10 can send a fire alarm, so that a quick warning can be given.

[0037] Further, the ventilation and heat dissipation structure 3 includes a ventilation pipe 31 and a ventilation fan 32, the ventilation pipe 31 is fixedly installed on both sides of the battery protection shell 2, both of the ventilation pipes 31 are communicated with the inside of the battery protection shell 2, and the ventilation fan 32 is installed on the inside of the ventilation pipe 31;

[0038] By arranging the ventilation and heat dissipation structure 3 including the ventilation pipe 31 and the ventilation fan 32, the ventilation pipe 31 can be communicated with the outside, the external cold air can be sucked in by the ventilation fan 32, and then the hot air in the shell body can be discharged, so that the effect of cold air circulation and heat dissipation is achieved.

[0039] Further, the side, away from each other, of the two ventilation pipes 31 is sleeved with a dust filter screen 33, and the dust filter screen 33 is a cylindrical metal screen;

[0040] By arranging the dust filter screen 33 which is a cylindrical metal screen, the dust filter screen 33 can be conveniently sleeved on the ventilation pipe 31, and the installation and dismounting are convenient, and the dustproof ventilation effect is achieved, and the dustproof and foreign matter prevention capability is good while the ventilation is achieved.

[0041] Further, the two fire extinguishing magnetic attraction plates 8 are correspondingly arranged directly below the two energized electromagnets 7 respectively, and the soft material blocking plate 6 is an elastic metal sheet;

[0042] By arranging the two fire extinguishing magnetic attraction plates 8 which are correspondingly arranged directly below the two energized electromagnets 7 respectively, when the energized electromagnet 7 stops running, the energized electromagnet 7 receives the gravity and the magnetic attraction of the fire extinguishing magnetic attraction plate 8, and pulls the energized electromagnet 7 and the soft material blocking plate 6 to displace downward, so as to shield the ventilation and heat dissipation structure 3, and at the same time, the fire extinguishing powder bag is separated from the fire extinguishing bag placing box 4, and the fire extinguishing powder bag naturally falls down to perform the fire extinguishing operation.

[0043] Further, the soft material blocking plate 6 is slidably attached to the inside of the movable opening 5, and the side, away from the energized electromagnet 7, of the soft material blocking plate 6 is provided with an anti-falling block;

[0044] By arranging the soft material blocking plate 6 which is slidably attached to the inside of the movable opening 5, the soft material blocking plate 6 can be conveniently telescoped on the movable opening 5, and the installation is convenient, and the anti-falling block can limit the soft material blocking plate 6, so that the soft material blocking plate 6 is not easy to separate from the battery protection shell 2, and the overall protection is stable.

[0045] Further, the battery protection shell 2 is provided with support blocks 11 at the four corners of the bottom, and the top of the fire extinguishing magnetic plate 8 is provided with a strong magnetic magnet block;

[0046] By arranging the support blocks 11, the support legs are supported, and the top of the fire extinguishing magnetic plate 8 is provided with a strong magnetic magnet block, which can cooperate with the magnetic attraction of the power-on electromagnet 7, and the magnetic attraction protection effect is good.

[0047] Further, the bottom of each of the two soft material blocking plates 6 is provided with a soft fireproof sheet 12, and the soft material blocking plate 6 is arranged above the ventilation and heat dissipation structure 3 correspondingly;

[0048] By arranging the soft fireproof sheet 12, the soft material blocking plate 6 can block the ventilation and heat dissipation structure 3, and the soft fireproof sheet 12 can assist in sealing and shielding, and the shielding effect is good.

[0049] Further, the bottom of the support block 11 is threadedly connected with an adjusting screw 13, and the bottom of the adjusting screw 13 is provided with an anti-skid support sheet;

[0050] By arranging the adjusting screw 13, the height can be adjusted when the adjusting screw 13 rotates, the adjusting and stretching effect is good, and it is convenient to place horizontally on uneven ground.

[0051] It should be noted that each device in the present application is a common market device, which can be selected according to the needs during use, and the circuit connection relationship of each device is a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, which can be easily realized by those skilled in the art, and belongs to the prior art, which will not be described in detail.

[0052] Working principle: by installing the battery body 1 inside the battery protection shell 2, the battery body 1 is protected, both sides of the battery protection shell 2 are provided with ventilation and heat dissipation structures 3, and the ventilation and heat dissipation structures 3 include ventilation pipes 31 and ventilation fans 32, the ventilation pipes 31 can be connected with the outside, the outside cold air is sucked in by the ventilation fans 32, and then the heat in the shell is discharged, which has the effect of cold air circulation and heat dissipation, and the dust filter screen 33 is sleeved on the outside of the ventilation pipe 31, which has the effect of dustproof ventilation, and the dustproof and anti-foreign matter ability is good when ventilating;

[0053] The two sides of the top of the battery protection shell 2 are respectively provided with fire extinguishing bag placing boxes 4, which can place fire extinguishing dry powder bags, and when a fire occurs, the fire can be extinguished by the fire extinguishing dry powder bags, the bottom of the fire extinguishing bag placing box 4 is inserted and slid with a soft material blocking plate 6, one side of the soft material blocking plate 6 extends outside the shell through a movable port 5, at the same time, the soft material blocking plate 6 is magnetically attracted outside the shell by a powered electromagnet 7, when a fire occurs, the fire can be detected by a smoke temperature detector 9, and a fire alarm is sent by an alarm 10, which can quickly give an early warning, and the powered electromagnet 7 can stop running, the powered electromagnet 7 is displaced downward by gravity, driving the soft material blocking plate 6 to separate from the fire extinguishing bag placing box 4, the fire extinguishing dry powder in the fire extinguishing bag placing box 4 can quickly act on the fire, and the fire can be extinguished, at the same time, the powered electromagnet 7 is magnetically attracted and positioned by a fire extinguishing magnetic attraction plate 8, the soft material blocking plate 6 is pulled to close and block the ventilation and heat dissipation structure 3, so that the battery protection shell 2 forms a closed space, and the fire prevention and extinguishing effect is achieved, the automatic fire extinguishing effect is good, the device has fire monitoring and automatic fire extinguishing capability, the fire safety is high, and the self-heat dissipation capability is excellent.

[0054] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0055] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A battery management device with automatic fire extinguishing function, comprising a battery main body (1) and a battery protection shell (2), characterized in that: The battery body (1) is fixedly installed on the inner side of the battery protection shell (2); Both sides of the battery protection shell (2) are provided with ventilation and heat dissipation structures (3), and the inner top of the battery protection shell (2) is provided with two fire extinguishing bag placing boxes (4) correspondingly, and the top of the two sides of the battery protection shell (2) is provided with a movable opening (5), and the bottom of the two fire extinguishing bag placing boxes (4) is slidably connected with a soft material blocking plate (6), and the side opposite to the two soft material blocking plates (6) extends out of the movable opening (5). Wherein, the side opposite to the two soft material blocking plates (6) is provided with a power-on electromagnet (7), and the bottom of the battery protection shell (2) is provided with a fire extinguishing magnetic plate (8) correspondingly, and the power-on electromagnet (7) is magnetically attracted to the two sides of the battery protection shell (2).

2. The battery management device with automatic fire extinguishing function according to claim 1, characterized in that: The battery protection shell (2) is a metal shell, and the inside of the two fire extinguishing bag placing boxes (4) is placed with a fire extinguishing dry powder bag.

3. The battery management device with automatic fire extinguishing function according to claim 1, characterized in that: The inside of the battery protection shell (2) is provided with a smoke temperature detector (9), and the outside of the battery protection shell (2) is provided with an alarm (10), and the output end of the smoke temperature detector (9) is electrically connected with the input end of the alarm (10) and the power-on electromagnet (7) respectively.

4. The battery management device with automatic fire extinguishing function according to claim 1, characterized in that: The ventilation and heat dissipation structure (3) comprises a ventilation pipe (31) and a ventilation fan (32), the ventilation pipe (31) is fixedly installed on both sides of the battery protection shell (2), and the two ventilation pipes (31) are communicated with the inside of the battery protection shell (2), and the ventilation fan (32) is installed on the inside of the ventilation pipe (31).

5. The battery management device with automatic fire extinguishing function according to claim 4, characterized in that: The side opposite to the two ventilation pipes (31) is sleeved with a dust filter screen (33), and the dust filter screen (33) is a cylindrical metal screen.

6. The battery management device with automatic fire extinguishing function according to claim 1, characterized in that: The two fire extinguishing magnetic plates (8) are correspondingly arranged below the two power-on electromagnets (7) respectively, and the soft material blocking plate (6) is an elastic metal sheet.

7. The battery management device with automatic fire extinguishing function according to claim 1, characterized in that: The soft material blocking plate (6) is slidably attached to the inside of the movable opening (5), and the side of the soft material blocking plate (6) away from the power-on electromagnet (7) is provided with an anti-falling block.

8. The battery management device with automatic fire extinguishing function according to claim 1, characterized in that: The bottom of the battery protection shell (2) is provided with a support block (11), and the top of the fire extinguishing magnetic plate (8) is provided with a strong magnetic magnet block.

9. The battery management device with automatic fire extinguishing function according to claim 1, characterized in that: The bottom of the two soft material blocking plates (6) is provided with a soft fireproof sheet (12), and the soft material blocking plate (6) is correspondingly arranged above the ventilation and heat dissipation structure (3).

10. The battery management device with automatic fire extinguishing function according to claim 8, characterized in that: The bottom of the support block (11) is threadedly connected with an adjusting screw (13), and the bottom of the adjusting screw (13) is provided with an anti-skid support sheet.

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